Year 1509
After meeting with Marines and taking a punch of garp Akio knows his short coming and With also training his all Three Haki.Now his Observation Haki can cover half Mariejoa and can see 1 second in the future. but he feels that he can make break through but needs more life and death battle experience which he cannot get at this moment. Although his mom spar with but Mom like who love her very dearly cannot try to kill him and Akio know that' why he want to become 15 as quickly as possible to improve his skills in the sea.
As for his Armament Haki he can now cover his whole body in Haki and can maintain it during his fight but lack stamina for long fight and experience to fight stronger opponent's.he also start practicing on how to project his Haki out of body but not made much progress.
His conquerer Haki improve most less because he can't openly practice his conquerer Haki so he don't made much progress in that expect.
He was still practicing sword smanship that suddenly he heard a girls voice behind him.
???: Hey, you're still practicing. how much strong do you want to become.
Akio : Oh, hey Hancock i was just try to make my style flawless.
That's right this girl was future's the most beautiful women in the world. After coming from meeting Marines he went to talk to his father about three Hancock sister. his father being a tsundere don't quickly said yes but was very delighted with that his son actually ask for something in many years. so he pick up his den den mushi and call Charles and say that he want those three girls.which he said yes without any delay.
When Hancock come to Akio she was in very bad condition. Akio order his servants to take care of Hancock. At first Hancock always retaliate against Akio but as time paas they become good friends and also teach three sisters swordsmanship and various use of Haki and help them improve their physical strength and fruit power's. After sometime of Hancock's arrival at Akio's house Gion also visit his house when she first time see Hancock their met and you can see invisible lightning between them.
After this event she start to Visit him regularly and they become close to eachother.
In between these events Akio always remember a certain black haired girl and when he thought about her he thinks what future holds for him in this world.
Unknown Pov???
A black hair girl was running and trying to hide from and was very exhausted she keep running and was in very bad condition.
Pov end..
This day was very special in yamamoto house because today is Akio's birthday and everyone was celebrating and even some Marines like Garp,Tsuru,Sengoku was also present . Then suddenly Akio father comes in hall with something his hand it was wrapped in dirty cloth but Akio and Everyone can guess what's inside it.
When Yukio unwrap the dirty clothes one of the most beautiful sword comes out of it. it was blue color katana with mix of golden color it also exerts a very sharp aura. Gion who also a swords women subconsciously start to approach the sword but stoped by Tsuru.
Then Yukio say's: This is a Family hairloom passing from generation to generation but till today no one else other than your great grandfather can pull the sword out of its sacabbard
even I myself is unsuccessful.
Legends say if someone can use this sword can be use on its full potential it can even cut through the space it self but no one knows the truth.
when everyone hear what he say everyone was shocked that sword like this even exist which can cut through space.they sivered at the thought of fighting against a swords man who own this sword.
Akio quickly went forward and hold the sword in his hand he instantly feel a connection to it and also feels like his lost body part has been founded.
Akio try to pull out the sword but when he only 1 inch it starts to corrupt his will . he try to hold on his will to become corrupt but was not becoming successful so he put the sword back on it's place and dropped on his knees when everyone see this the first one's was to was Akio's mother and Hancock
the start to ask him if he was ok . but Akio knows that his swordsmanship is still lacking that's why he can't get sword's acknowledgement.
He quickly leave the party without saying any thing and change to his training cloths took a one of the 21 grade swords which he get as a gift from his mother and start to practice Vergil's sword style more harder with weights on his hand and while covering his hole body with Haki including sword with his blindfold on and his Observation Haki at full.
This type of training keep on until 1 year and he keep increasing weights on his hand with swinging his sword and keep using footwork until his movements can't be seen or feel without a high mastery of Haki his Armament Haki also break through and become pitch black in color. he was also able to tap on the sword aura.
Seeing his rapid growth and effort two girls also start to train even harder. in this one year Akio also able to meet baby 5 and was also make her join his crew. Not that it was hard.
When Akio mom hear her story she started to love her as her daughter and with that he was also able to find where abouts of Nico Robin but could not approach her because of the warning from his father.
Seeing his family growing he also start to master other technique including hasshokan and fishman karate which greatly improve his fighting capabilities. he also add hasshokan to his swordsmanship to improve impact and also to when he fight with whitebeard he can counter the power of his gura gura no mi.
Years went by Hancock also went to Amazon lily to inherit the position of their empress baby 5 also with training given by his mother become very strong.
He was also able to find jewelry bonney and hide her from the eyes of world government because of her fruit and start to train her with Haki and rokushiki style.
He also master his rokushiki and can also use Rokugan very easily. He combine captain Koru's cat step with his footwork. after combination of bothe technique his foot work become more silent,fast and flexible.
Today is the day when he will again try to pull out the sword.
Every family member was present to see the fruit of his after so many years of training. Akio takes the sword in his hand and start to pull it out with his mastery of sword and he was able to pull it out but it again to start corrupt his will but this time he gather himself and also released his conquerer Haki both will clash and by the the time swords will lose and Akio Finally after so many years of hard work gain the control of his "Yamato". But suddenly a slash comes towards him which he blocks very easily
Then he looked towards the Direction where this slash come from and was shocked because it was his...
Akio : Father!!
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Thanks for reading guys. be prepared next chapter will be our first fight scene..😊